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Title: Method and apparatus for monitoring the power of a laser beam

Abstract

A method for monitoring the power of a laser beam in real time is disclosed. At least one optical fiber is placed through the laser beam, where a portion of light from the laser beam is coupled into the optical fiber. The optical fiber may be maintained in a stationary position or moved periodically over a cross section of the laser beam to couple light from each area traversed. Light reaching both fiber ends is monitored according to frequency and processed to determine the power of the laser beam.

Inventors:
 [1];  [2]
  1. San Ramon, CA
  2. Livermore, CA
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
OSTI Identifier:
870285
Patent Number(s):
5490157
Assignee:
United States of Americas as represented by United States (Washington, DC)
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; apparatus; monitoring; power; laser; beam; time; disclosed; optical; fiber; placed; portion; light; coupled; maintained; stationary; position; moved; periodically; section; couple; traversed; reaching; monitored; according; frequency; processed; determine; stationary position; laser beam; optical fiber; couple light; light reaching; /372/

Citation Formats

Paris, Robert D, and Hackel, Richard P. Method and apparatus for monitoring the power of a laser beam. United States: N. p., 1996. Web.
Paris, Robert D, & Hackel, Richard P. Method and apparatus for monitoring the power of a laser beam. United States.
Paris, Robert D, and Hackel, Richard P. Mon . "Method and apparatus for monitoring the power of a laser beam". United States. https://www.osti.gov/servlets/purl/870285.
@article{osti_870285,
title = {Method and apparatus for monitoring the power of a laser beam},
author = {Paris, Robert D and Hackel, Richard P},
abstractNote = {A method for monitoring the power of a laser beam in real time is disclosed. At least one optical fiber is placed through the laser beam, where a portion of light from the laser beam is coupled into the optical fiber. The optical fiber may be maintained in a stationary position or moved periodically over a cross section of the laser beam to couple light from each area traversed. Light reaching both fiber ends is monitored according to frequency and processed to determine the power of the laser beam.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {1}
}

Patent:

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